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`Monte Rosa'[6] is a Cray XT5 system at CSCS in Switzerland, consisting of 1844 XT5 compute nodes, each with two 2.4 GHz hexa-core `Istanbul' AMD Opteron processors and 16GB of main memory, giving 1.33 GB per core. This system provided the ability to test CP2K on a 12-way shared memory node before HECToR Phase 2b became available mid-way through the project. We are grateful to Prof. Hutter (Univ. Zurich) for providing access to the system for development of CP2K.

Iain Bethune